The project includes: (1) all signs of the North Main Entry Road (North to A30), the T1 terminal front elevation and road, the T2 terminal front elevation and the road, the South Interchange, and the South Main Entrance Road section. For traffic facilities such as marking lines and airline signs, the total length of the marking roads in the area is about 20.4 kilometers. (2) Traffic facilities such as marking lines and signal lights for all bridge and road engineering projects in the West Freight Area Municipal Supporting Project. The total length of the marking roads in this area is about 10.6 kilometers. (3) Shanghai Airport Operation Command Center business premises (located at Hongqiao Airport, including: overall roadway, ground parking lot, underground garage entrance and exit, ramp, -3.9 m high underground garage) marking line.